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<a name="gtk3-GtkScaleButton"></a><div class="titlepage"></div>
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<h2><span class="refentrytitle"><a name="gtk3-GtkScaleButton.top_of_page"></a>GtkScaleButton</span></h2>
<p>GtkScaleButton — A button which pops up a scale</p>
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<div class="refsynopsisdiv">
<a name="gtk3-GtkScaleButton.synopsis"></a><h2>Synopsis</h2>
<pre class="synopsis">
#include &lt;gtk/gtk.h&gt;

struct              <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton">GtkScaleButton</a>;
<a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-new" title="gtk_scale_button_new ()">gtk_scale_button_new</a>                (<em class="parameter"><code><a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a> size</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>,
                                                         <em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **icons</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-set-adjustment" title="gtk_scale_button_set_adjustment ()">gtk_scale_button_set_adjustment</a>     (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-set-icons" title="gtk_scale_button_set_icons ()">gtk_scale_button_set_icons</a>          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **icons</code></em>);
<span class="returnvalue">void</span>                <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-set-value" title="gtk_scale_button_set_value ()">gtk_scale_button_set_value</a>          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> value</code></em>);
<a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="returnvalue">GtkAdjustment</span></a> *     <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-get-adjustment" title="gtk_scale_button_get_adjustment ()">gtk_scale_button_get_adjustment</a>     (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);
<a href="../glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>             <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-get-value" title="gtk_scale_button_get_value ()">gtk_scale_button_get_value</a>          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);
<a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-get-popup" title="gtk_scale_button_get_popup ()">gtk_scale_button_get_popup</a>          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);
<a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-get-plus-button" title="gtk_scale_button_get_plus_button ()">gtk_scale_button_get_plus_button</a>    (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);
<a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-get-minus-button" title="gtk_scale_button_get_minus_button ()">gtk_scale_button_get_minus_button</a>   (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);
</pre>
</div>
<div class="refsect1">
<a name="gtk3-GtkScaleButton.description"></a><h2>Description</h2>
<p>
<a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> provides a button which pops up a scale widget.
This kind of widget is commonly used for volume controls in multimedia
applications, and GTK+ provides a <a class="link" href="gtk3-GtkVolumeButton.html#GtkVolumeButton" title="struct GtkVolumeButton"><span class="type">GtkVolumeButton</span></a> subclass that
is tailored for this use case.
</p>
</div>
<div class="refsect1">
<a name="gtk3-GtkScaleButton.details"></a><h2>Details</h2>
<div class="refsect2">
<a name="GtkScaleButton"></a><h3>struct GtkScaleButton</h3>
<pre class="programlisting">struct GtkScaleButton {
  GtkButton parent;
};
</pre>
<p>
</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-new"></a><h3>gtk_scale_button_new ()</h3>
<pre class="programlisting"><a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_scale_button_new                (<em class="parameter"><code><a class="link" href="gtk3-Themeable-Stock-Images.html#GtkIconSize" title="enum GtkIconSize"><span class="type">GtkIconSize</span></a> size</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> min</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> max</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> step</code></em>,
                                                         <em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **icons</code></em>);</pre>
<p>
Creates a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>, with a range between <em class="parameter"><code>min</code></em> and <em class="parameter"><code>max</code></em>, with
a stepping of <em class="parameter"><code>step</code></em>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>size</code></em> :</span></p></td>
<td>a stock icon size. <span class="annotation">[<acronym title="Override the parsed C type with given type"><span class="acronym">type</span></acronym> int]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>min</code></em> :</span></p></td>
<td>the minimum value of the scale (usually 0)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>max</code></em> :</span></p></td>
<td>the maximum value of the scale (usually 100)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>step</code></em> :</span></p></td>
<td>the stepping of value when a scroll-wheel event,
or up/down arrow event occurs (usually 2)</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>icons</code></em> :</span></p></td>
<td>a <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated
array of icon names, or <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a> if you want to set the list
later with <a class="link" href="gtk3-GtkScaleButton.html#gtk-scale-button-set-icons" title="gtk_scale_button_set_icons ()"><code class="function">gtk_scale_button_set_icons()</code></a>. <span class="annotation">[<acronym title="NULL is ok, both for passing and for returning."><span class="acronym">allow-none</span></acronym>][<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>a new <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-set-adjustment"></a><h3>gtk_scale_button_set_adjustment ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_scale_button_set_adjustment     (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code><a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="type">GtkAdjustment</span></a> *adjustment</code></em>);</pre>
<p>
Sets the <a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="type">GtkAdjustment</span></a> to be used as a model
for the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>'s scale.
See <a class="link" href="gtk3-GtkRange.html#gtk-range-set-adjustment" title="gtk_range_set_adjustment ()"><code class="function">gtk_range_set_adjustment()</code></a> for details.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>adjustment</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="type">GtkAdjustment</span></a>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-set-icons"></a><h3>gtk_scale_button_set_icons ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_scale_button_set_icons          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code>const <a href="../glib/glib-Basic-Types.html#gchar"><span class="type">gchar</span></a> **icons</code></em>);</pre>
<p>
Sets the icons to be used by the scale button.
For details, see the <span class="type">"icons"</span> property.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>icons</code></em> :</span></p></td>
<td>a <a href="../glib/glib-Standard-Macros.html#NULL:CAPS"><code class="literal">NULL</code></a>-terminated array of icon names. <span class="annotation">[<acronym title="Parameter points to an array of items."><span class="acronym">array</span></acronym> zero-terminated=1]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-set-value"></a><h3>gtk_scale_button_set_value ()</h3>
<pre class="programlisting"><span class="returnvalue">void</span>                gtk_scale_button_set_value          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>,
                                                         <em class="parameter"><code><a href="../glib/glib-Basic-Types.html#gdouble"><span class="type">gdouble</span></a> value</code></em>);</pre>
<p>
Sets the current value of the scale; if the value is outside
the minimum or maximum range values, it will be clamped to fit
inside them. The scale button emits the <span class="type">"value-changed"</span>
signal if the value changes.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><em class="parameter"><code>value</code></em> :</span></p></td>
<td>new value of the scale button</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-get-adjustment"></a><h3>gtk_scale_button_get_adjustment ()</h3>
<pre class="programlisting"><a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="returnvalue">GtkAdjustment</span></a> *     gtk_scale_button_get_adjustment     (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);</pre>
<p>
Gets the <a class="link" href="gtk3-GtkAdjustment.html#GtkAdjustment" title="struct GtkAdjustment"><span class="type">GtkAdjustment</span></a> associated with the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>'s scale.
See <a class="link" href="gtk3-GtkRange.html#gtk-range-get-adjustment" title="gtk_range_get_adjustment ()"><code class="function">gtk_range_get_adjustment()</code></a> for details.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the adjustment associated with the scale. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-get-value"></a><h3>gtk_scale_button_get_value ()</h3>
<pre class="programlisting"><a href="../glib/glib-Basic-Types.html#gdouble"><span class="returnvalue">gdouble</span></a>             gtk_scale_button_get_value          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);</pre>
<p>
Gets the current value of the scale button.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>current value of the scale button</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.12</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-get-popup"></a><h3>gtk_scale_button_get_popup ()</h3>
<pre class="programlisting"><a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_scale_button_get_popup          (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);</pre>
<p>
Retrieves the popup of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the popup of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-get-plus-button"></a><h3>gtk_scale_button_get_plus_button ()</h3>
<pre class="programlisting"><a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_scale_button_get_plus_button    (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);</pre>
<p>
Retrieves the plus button of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>.
</p>
<div class="variablelist"><table border="0">
<col align="left" valign="top">
<tbody>
<tr>
<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
</td>
</tr>
<tr>
<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the plus button of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
</td>
</tr>
</tbody>
</table></div>
<p class="since">Since 2.14</p>
</div>
<hr>
<div class="refsect2">
<a name="gtk-scale-button-get-minus-button"></a><h3>gtk_scale_button_get_minus_button ()</h3>
<pre class="programlisting"><a class="link" href="gtk3-GtkWidget.html#GtkWidget" title="GtkWidget"><span class="returnvalue">GtkWidget</span></a> *         gtk_scale_button_get_minus_button   (<em class="parameter"><code><a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a> *button</code></em>);</pre>
<p>
Retrieves the minus button of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>.
</p>
<div class="variablelist"><table border="0">
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<td><p><span class="term"><em class="parameter"><code>button</code></em> :</span></p></td>
<td>a <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>
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<td><p><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></p></td>
<td>the minus button of the <a class="link" href="gtk3-GtkScaleButton.html#GtkScaleButton" title="struct GtkScaleButton"><span class="type">GtkScaleButton</span></a>. <span class="annotation">[<acronym title="Don't free data after the code is done."><span class="acronym">transfer none</span></acronym>]</span>
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<p class="since">Since 2.14</p>
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